DE3720125C2 - - Google Patents

Info

Publication number
DE3720125C2
DE3720125C2 DE19873720125 DE3720125A DE3720125C2 DE 3720125 C2 DE3720125 C2 DE 3720125C2 DE 19873720125 DE19873720125 DE 19873720125 DE 3720125 A DE3720125 A DE 3720125A DE 3720125 C2 DE3720125 C2 DE 3720125C2
Authority
DE
Germany
Prior art keywords
valve body
valve
damper
valve seat
center
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE19873720125
Other languages
German (de)
English (en)
Other versions
DE3720125A1 (de
Inventor
Sadao Hamamatsu Shizuoka Jp Kawamura
Kanau Wako Saitama Jp Iwashita
Tomeo Iwata Shizuoka Jp Fuse
Shuichi Ogasa Shizuoka Jp Kawahara
Naoyuki Sataka
Hidekuni Iwata Shizuoka Jp Ito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honda Motor Co Ltd
Showa Manufacturing Co Ltd
Original Assignee
Honda Motor Co Ltd
Showa Manufacturing Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP16603386U external-priority patent/JPH0322587Y2/ja
Priority claimed from JP17518986U external-priority patent/JPH0349312Y2/ja
Priority claimed from JP1986177869U external-priority patent/JPH0426747Y2/ja
Priority claimed from JP1987052385U external-priority patent/JPH0433473Y2/ja
Priority claimed from JP5238687U external-priority patent/JPS63160455U/ja
Application filed by Honda Motor Co Ltd, Showa Manufacturing Co Ltd filed Critical Honda Motor Co Ltd
Publication of DE3720125A1 publication Critical patent/DE3720125A1/de
Application granted granted Critical
Publication of DE3720125C2 publication Critical patent/DE3720125C2/de
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/50—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics
    • F16F9/516—Special means providing automatic damping adjustment, i.e. self-adjustment of damping by particular sliding movements of a valve element, other than flexions or displacement of valve discs; Special means providing self-adjustment of spring characteristics resulting in the damping effects during contraction being different from the damping effects during extension, i.e. responsive to the direction of movement
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7904—Reciprocating valves
    • Y10T137/7922—Spring biased
    • Y10T137/7929—Spring coaxial with valve
    • Y10T137/7935—Head slides on guide-rod concentric with spring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Check Valves (AREA)
DE19873720125 1986-10-29 1987-06-16 Ventilkonstruktion fuer einen hydraulischen daempfer Granted DE3720125A1 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP16603386U JPH0322587Y2 (cs) 1986-10-29 1986-10-29
JP17518986U JPH0349312Y2 (cs) 1986-11-13 1986-11-13
JP1986177869U JPH0426747Y2 (cs) 1986-11-19 1986-11-19
JP1987052385U JPH0433473Y2 (cs) 1987-04-07 1987-04-07
JP5238687U JPS63160455U (cs) 1987-04-07 1987-04-07

Publications (2)

Publication Number Publication Date
DE3720125A1 DE3720125A1 (de) 1988-05-11
DE3720125C2 true DE3720125C2 (cs) 1990-06-28

Family

ID=27523002

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19873720125 Granted DE3720125A1 (de) 1986-10-29 1987-06-16 Ventilkonstruktion fuer einen hydraulischen daempfer

Country Status (4)

Country Link
US (1) US4834223A (cs)
DE (1) DE3720125A1 (cs)
FR (1) FR2613796B1 (cs)
GB (1) GB2196720B (cs)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0369077A1 (en) * 1988-11-16 1990-05-23 Zhao Xiaosheng An anti-impact device for vehicles
DE3942545A1 (de) * 1989-12-22 1991-06-27 Bosch Gmbh Robert Druckbetaetigtes ventil
US5445401A (en) * 1993-09-07 1995-08-29 Manitou Mountain Bikes, Inc. Suspension fork for bicycles
US5775677A (en) * 1995-02-07 1998-07-07 Englund; Arlo C. Air or gas sprung and dampened shock absorber
US5769190A (en) * 1996-01-16 1998-06-23 Tenneco Automotive Inc. Continuous controlled restriction valve for a shock absorber
US5848675A (en) * 1996-10-03 1998-12-15 Answer Products, Inc. Damping apparatus for bicycle forks
US6241060B1 (en) 1996-10-03 2001-06-05 Answer Products, Inc. Oil damped fork
DE19653148A1 (de) * 1996-12-19 1998-06-25 Bayerische Motoren Werke Ag Teleskopisch einfederbare Radführung
US5911290A (en) * 1997-02-20 1999-06-15 Tenneco Automotive Inc. Step motor actuated continuous variable shock absorber
US6279854B1 (en) 1999-04-29 2001-08-28 The Boeing Company Combined damper and truck positioner for landing gear
FR2805324B1 (fr) * 2000-02-23 2002-10-04 Peugeot Citroen Automobiles Sa Dispositif formant amortisseur dissymetrique pour une suspension de vehicule automobile
JP5016247B2 (ja) * 2006-03-31 2012-09-05 株式会社ニフコ 速度応答型ダンパ
JP5141916B2 (ja) * 2009-03-23 2013-02-13 本田技研工業株式会社 油圧緩衝器
US9038790B2 (en) * 2011-11-08 2015-05-26 Progressive Suspension, Llc Frequency sensitive shock absorber
US10668968B2 (en) * 2017-06-30 2020-06-02 Sram, Llc Seat post assembly
US10549803B2 (en) * 2017-06-30 2020-02-04 Sram, Llc Seat post assembly

Family Cites Families (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1405968A (en) * 1919-12-11 1922-02-07 John H Christman Valve
US1608424A (en) * 1924-02-04 1926-11-23 George E Putnam Mud-pump valve
BE402346A (cs) * 1934-03-07
GB482989A (en) * 1937-05-11 1938-04-08 Maurice Frederick Richardson Improvements in valves
BE481479A (cs) * 1947-03-27
GB722812A (en) * 1951-10-17 1955-02-02 Tanchester Properties Ltd Improvements relating to shock absorbers
DE930716C (de) * 1953-10-31 1955-07-21 Boge Gmbh Federbelastetes Ventil fuer hydraulische Schwingungsbremse
DE1012192B (de) * 1954-09-22 1957-07-11 Suspa Federungstechnik G M B H Hydraulischer Teleskopschwingungsdaempfer fuer Fahrzeuge
DE1268990B (de) * 1957-07-12 1968-05-22 Boge Gmbh Kolben fuer doppeltwirkende hydraulische Schwingungsdaempfer, insbesondere fuer Kraftfahrzeuge
CH342061A (fr) * 1958-09-16 1959-10-31 Parechoc Sa Palier amortisseur de chocs pour mobile de petite mécanique, notamment d'appareil de mesure
US3179401A (en) * 1962-07-05 1965-04-20 Armstrong Patents Co Ltd Vehicle telescopic suspension units
GB1051263A (cs) * 1963-01-19 1900-01-01
DE1430564A1 (de) * 1963-10-04 1968-12-05 Bosch Gmbh Robert Fluessigkeitsstossdaempfer fuer Kraftfahrzeuge
NL6402739A (cs) * 1964-03-16 1965-09-17
US3395725A (en) * 1965-10-18 1968-08-06 Mc Dowell Wellman Engineering Combination ball check and needle valve
NL135634C (cs) * 1967-12-14
GB1365306A (en) * 1970-09-08 1974-08-29 Girling Ltd Fluid flow control valves
US3912054A (en) * 1974-11-25 1975-10-14 Brian K Fabre Valve replacement assembly for motorcycle front forks
US3937450A (en) * 1974-12-02 1976-02-10 Fritz Bauer Sliding piston gas spring
US4059175A (en) * 1975-05-06 1977-11-22 Dressell Jr Richard G Linear force shock absorber
DE2853914A1 (de) * 1978-12-14 1980-07-03 Fichtel & Sachs Ag Schwingungsdaempfer oder federbein mit einem hydraulisch-mechanischen zuganschlag
US4278266A (en) * 1979-07-20 1981-07-14 Honda Giken Kogyo Kabushiki Kaisha Front fork construction for motorcycle
JPS6033705B2 (ja) * 1980-11-04 1985-08-05 株式会社昭和製作所 オ−トバイのフロントフオ−ク
US4685489A (en) * 1984-04-13 1987-08-11 Copeland Corporation Valve assembly and compressor modulation apparatus
WO1985005409A1 (en) * 1984-05-11 1985-12-05 Montgomery, Peter, Ross Pump valves

Also Published As

Publication number Publication date
GB8714050D0 (en) 1987-07-22
GB2196720A (en) 1988-05-05
GB2196720B (en) 1990-09-19
US4834223A (en) 1989-05-30
FR2613796B1 (fr) 1993-10-29
DE3720125A1 (de) 1988-05-11
FR2613796A1 (fr) 1988-10-14

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee